97335domain: NAppears in sequencesExpansion of e.g.f. theta_3^(-3/2).at n=6A015682Order of Fibonacci group F(n,3) (or 0 if the group is infinite).at n=45A202625Numbers k such that one can make an equilateral triangle from a chain of linked rods of length 1, 2, 3, ..., k, with perimeter equal to the total length.at n=42A382632